Os 200 Surpass .................................................. ..........Satio FA-220a


Displacement: 1.98 cu in ..............................................2.20 cu in

Bore: 1.5 in................................................ ................1.49 in

Stroke: 1.13 in................................................ ............1.26 in

RPM Range: 1,800 - 10,000...........................................1 ,900- 10,000

Claimed Output: 2.9 ps @ 9000RPM.................................3.5 HP ( horse power )

Weight: 30.68 oz................................................ .........42 oz

Crankshaft Thread: 5/16—24........................................... ...M8 x 1.25mm

PRICE $$$559.99 PRICE $$$559.99

These are the specifications for both motors. Os and saito both ar very good brands, there is no difference in quality that i am aware of. for every 100 people who say saito is better there is another 100 people saying os is better so it's really personal preference. both motors are the same price.

I would probably ( by looking at the specs ) go with the os. it is 12 ounces lighter which is a big difference, and both engines will spin up to a 20 x 8 prop at the same rpm . But in the end i would probably chose the saito. horizon hobby is very good to deal with. if you have any problems they will fix it, and in pretty good time. I had an 82 which i was having trouble with so i sent it to them and they replaced the bearings in it and sent it back free of charge, warranty replacement. i do not know what tower hobbies is like, but i am sure they are also good. i just don't have any experience dealing with them.

the only os four stroke ive had was a little os 20 [8D] which was awesome and never had problems with it and saitos are good to. both are good choice.